Claude AI was down — what we know so far about the outage

Users report issues accessing the service

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Claude on mobile
(Image credit: © Future)

Users flocked to Downdetector around 1:35 p.m. ET, quickly hitting 1,800 reports that subsequently hit 2,700 reports by 2:05 p.m. ET.

Claude's own status page confirmed the major outage with issues related to "Claude.ai unavailable and elevated errors on the API" and "Elevated errors on Claude Haiku 4.5." Over on X, users also reported an outage with accessing Claude Design.

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Outage climbs to nearly 3,000 reports within the hour

Claude AI downdetector chart.

(Image credit: Downdetector)

In just a span of an hour, there have been nearly 3,000 reports on Downdetector about disruptions with Anthropic's Claude AI. Users report that the service is inaccessible. However, there's no exact culprit to what kicked off this latest outage.

Claude says fix is in the works

Claude status page 4-28-26

(Image credit: Claude)

The official Claude status page is already claiming that Anthropic is seeing success with an implemented fix.

This likely won't last much longer.

Reports nose dive

Claude outage 4-28-26

(Image credit: Down Detector)

After implementing a fix, reports on Down Detector took a steep nose dive almost immediately.

As of this posting reports sit around 350 on DD after a high of 3,000 earlier today.

All systems operational

Waiting for Claude installer to complete

(Image credit: Tom's Guide)

Claude says all systems are operational on the official status page.

Calling it

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